Hello my dear friends Kent Aura Air Purifier is the very good product of kent. This air purifier is very good working. This is veey easy to use and very very easy to clean this air purifier. Cost is very low from another air purifier. This air purifier degine is very good with very good work and specially auto system.specially castmer service support is very good . This air purifier is maintenance very low and good life. This is my experience. So my dear friends you are also buy Kent Aura Air Purifier and enjoy your life with very happyness. After use this air purifier give your feedback . Thank you my dear all friends.